111103010120 has 32 divisors (see below), whose sum is σ = 258601836600. Its totient is φ = 42908748288.

The previous prime is 111103010099. The next prime is 111103010141. The reversal of 111103010120 is 21010301111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111103010099) and next prime (111103010141).

It can be written as a sum of positive squares in 4 ways, for example, as 73972032484 + 37130977636 = 271978^2 + 192694^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47888069 + ... + 47890388.

Almost surely, 2^111103010120 is an apocalyptic number.

111103010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103010120 is an abundant number, since it is smaller than the sum of its proper divisors (147498826480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111103010120 is a wasteful number, since it uses less digits than its factorization.

111103010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95778497 (or 95778493 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 111103010120 its reverse (21010301111), we get a palindrome (132113311231).

The spelling of 111103010120 in words is "one hundred eleven billion, one hundred three million, ten thousand, one hundred twenty".